"The event organisers called it 'impassable,'" says Tyler McCaul of the daunting visual improbability of the narrow ridgeline he, Darren Berrecloth, Carson Storch and Logan Binggeli have chosen as their main line choice for Red Bull Rampage 2016.
Watch the video above to see Darren Berrecloth and T-Mac ride what has been termed the 'Great Wall'.
The crux move in the line: A narrow spine leading to a cliff, cropping out over the edge of a steep canyon with consequential drops on both sides. It required a huge landing be made to even think if it could be attempted.
With all 300 allotted sandbags of the four riders in place, the landing zone still wasn't plausible. So all 12 diggers laboured to dislodge massive rocks, stacking them atop the bags to create a landing tall enough to match the pitch of the cliff's natural slope.
It felt good to open that ridge up – we know it's rideable nowTyler McCaul
The four riders have selected different lines to reach the base of the mountain from the Great Wall, although Bearclaw and T-Mac share the majority of their run together.
Combined, the Claw/T-Mac duo have been able to make the most build progress thus far at Rampage 2016. After day two of four practice days before the final they have already ridden 90 percent of their line. Most riders have ridden merely one or only a handful of their line's key features – the pair's experience is shining already in the desert.
"It felt good to open that ridge up," says McCaul after landing the narrow Great Wall drop for the first time. "We know it's rideable now."
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